diff options
Diffstat (limited to 'src/journal/journald-server.c')
-rw-r--r-- | src/journal/journald-server.c | 163 |
1 files changed, 129 insertions, 34 deletions
diff --git a/src/journal/journald-server.c b/src/journal/journald-server.c index de96040242..ae65f02895 100644 --- a/src/journal/journald-server.c +++ b/src/journal/journald-server.c @@ -499,24 +499,33 @@ static void dispatch_message_real( struct ucred *ucred, struct timeval *tv, const char *label, size_t label_len, - const char *unit_id) { + const char *unit_id, + pid_t object_pid) { - char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)], + char pid[sizeof("_PID=") + DECIMAL_STR_MAX(pid_t)], uid[sizeof("_UID=") + DECIMAL_STR_MAX(uid_t)], gid[sizeof("_GID=") + DECIMAL_STR_MAX(gid_t)], owner_uid[sizeof("_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)], source_time[sizeof("_SOURCE_REALTIME_TIMESTAMP=") + DECIMAL_STR_MAX(usec_t)], boot_id[sizeof("_BOOT_ID=") + 32] = "_BOOT_ID=", - machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID="; - char *comm, *exe, *cmdline, *cgroup, *session, *unit, *hostname; + machine_id[sizeof("_MACHINE_ID=") + 32] = "_MACHINE_ID=", + o_uid[sizeof("OBJECT_UID=") + DECIMAL_STR_MAX(uid_t)], + o_gid[sizeof("OBJECT_GID=") + DECIMAL_STR_MAX(gid_t)], + o_owner_uid[sizeof("OBJECT_SYSTEMD_OWNER_UID=") + DECIMAL_STR_MAX(uid_t)]; + uid_t object_uid; + gid_t object_gid; + + char *x; sd_id128_t id; int r; char *t, *c; uid_t realuid = 0, owner = 0, journal_uid; bool owner_valid = false; #ifdef HAVE_AUDIT - char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)], - audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)]; + char audit_session[sizeof("_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)], + audit_loginuid[sizeof("_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)], + o_audit_session[sizeof("OBJECT_AUDIT_SESSION=") + DECIMAL_STR_MAX(uint32_t)], + o_audit_loginuid[sizeof("OBJECT_AUDIT_LOGINUID=") + DECIMAL_STR_MAX(uid_t)]; uint32_t audit; uid_t loginuid; @@ -525,7 +534,7 @@ static void dispatch_message_real( assert(s); assert(iovec); assert(n > 0); - assert(n + N_IOVEC_META_FIELDS <= m); + assert(n + N_IOVEC_META_FIELDS + (object_pid ? N_IOVEC_OBJECT_FIELDS : 0) <= m); if (ucred) { realuid = ucred->uid; @@ -541,23 +550,23 @@ static void dispatch_message_real( r = get_process_comm(ucred->pid, &t); if (r >= 0) { - comm = strappenda("_COMM=", t); + x = strappenda("_COMM=", t); free(t); - IOVEC_SET_STRING(iovec[n++], comm); + IOVEC_SET_STRING(iovec[n++], x); } r = get_process_exe(ucred->pid, &t); if (r >= 0) { - exe = strappenda("_EXE=", t); + x = strappenda("_EXE=", t); free(t); - IOVEC_SET_STRING(iovec[n++], exe); + IOVEC_SET_STRING(iovec[n++], x); } r = get_process_cmdline(ucred->pid, 0, false, &t); if (r >= 0) { - cmdline = strappenda("_CMDLINE=", t); + x = strappenda("_CMDLINE=", t); free(t); - IOVEC_SET_STRING(iovec[n++], cmdline); + IOVEC_SET_STRING(iovec[n++], x); } #ifdef HAVE_AUDIT @@ -576,8 +585,10 @@ static void dispatch_message_real( r = cg_pid_get_path_shifted(ucred->pid, NULL, &c); if (r >= 0) { - cgroup = strappenda("_SYSTEMD_CGROUP=", c); - IOVEC_SET_STRING(iovec[n++], cgroup); + char *session = NULL; + + x = strappenda("_SYSTEMD_CGROUP=", c); + IOVEC_SET_STRING(iovec[n++], x); r = cg_path_get_session(c, &t); if (r >= 0) { @@ -594,43 +605,126 @@ static void dispatch_message_real( } if (cg_path_get_unit(c, &t) >= 0) { - unit = strappenda("_SYSTEMD_UNIT=", t); + x = strappenda("_SYSTEMD_UNIT=", t); free(t); } else if (cg_path_get_user_unit(c, &t) >= 0) { - unit = strappenda("_SYSTEMD_USER_UNIT=", t); + x = strappenda("_SYSTEMD_USER_UNIT=", t); free(t); } else if (unit_id) { if (session) - unit = strappenda("_SYSTEMD_USER_UNIT=", unit_id); + x = strappenda("_SYSTEMD_USER_UNIT=", unit_id); else - unit = strappenda("_SYSTEMD_UNIT=", unit_id); + x = strappenda("_SYSTEMD_UNIT=", unit_id); } else - unit = NULL; + x = NULL; - if (unit) - IOVEC_SET_STRING(iovec[n++], unit); + if (x) + IOVEC_SET_STRING(iovec[n++], x); free(c); } #ifdef HAVE_SELINUX if (label) { - char *selinux_context = alloca(sizeof("_SELINUX_CONTEXT=") + label_len); + x = alloca(sizeof("_SELINUX_CONTEXT=") + label_len); - *((char*) mempcpy(stpcpy(selinux_context, "_SELINUX_CONTEXT="), label, label_len)) = 0; - IOVEC_SET_STRING(iovec[n++], selinux_context); + *((char*) mempcpy(stpcpy(x, "_SELINUX_CONTEXT="), label, label_len)) = 0; + IOVEC_SET_STRING(iovec[n++], x); } else { security_context_t con; if (getpidcon(ucred->pid, &con) >= 0) { - char *selinux_context = strappenda("_SELINUX_CONTEXT=", con); + x = strappenda("_SELINUX_CONTEXT=", con); freecon(con); - IOVEC_SET_STRING(iovec[n++], selinux_context); + IOVEC_SET_STRING(iovec[n++], x); } } #endif } + assert(n <= m); + + if (object_pid) { + r = get_process_uid(object_pid, &object_uid); + if (r >= 0) { + sprintf(o_uid, "OBJECT_UID=%lu", (unsigned long) object_uid); + IOVEC_SET_STRING(iovec[n++], o_uid); + } + + r = get_process_gid(object_pid, &object_gid); + if (r >= 0) { + sprintf(o_gid, "OBJECT_GID=%lu", (unsigned long) object_gid); + IOVEC_SET_STRING(iovec[n++], o_gid); + } + + r = get_process_comm(object_pid, &t); + if (r >= 0) { + x = strappenda("OBJECT_COMM=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + + r = get_process_exe(object_pid, &t); + if (r >= 0) { + x = strappenda("OBJECT_EXE=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + + r = get_process_cmdline(object_pid, 0, false, &t); + if (r >= 0) { + x = strappenda("OBJECT_CMDLINE=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + +#ifdef HAVE_AUDIT + r = audit_session_from_pid(object_pid, &audit); + if (r >= 0) { + sprintf(o_audit_session, "OBJECT_AUDIT_SESSION=%lu", (unsigned long) audit); + IOVEC_SET_STRING(iovec[n++], o_audit_session); + } + + r = audit_loginuid_from_pid(object_pid, &loginuid); + if (r >= 0) { + sprintf(o_audit_loginuid, "OBJECT_AUDIT_LOGINUID=%lu", (unsigned long) loginuid); + IOVEC_SET_STRING(iovec[n++], o_audit_loginuid); + } +#endif + + r = cg_pid_get_path_shifted(object_pid, NULL, &c); + if (r >= 0) { + x = strappenda("OBJECT_SYSTEMD_CGROUP=", c); + IOVEC_SET_STRING(iovec[n++], x); + + r = cg_path_get_session(c, &t); + if (r >= 0) { + x = strappenda("OBJECT_SYSTEMD_SESSION=", t); + free(t); + IOVEC_SET_STRING(iovec[n++], x); + } + + if (cg_path_get_owner_uid(c, &owner) >= 0) { + sprintf(o_owner_uid, "OBJECT_SYSTEMD_OWNER_UID=%lu", (unsigned long) owner); + IOVEC_SET_STRING(iovec[n++], o_owner_uid); + } + + if (cg_path_get_unit(c, &t) >= 0) { + x = strappenda("OBJECT_SYSTEMD_UNIT=", t); + free(t); + } else if (cg_path_get_user_unit(c, &t) >= 0) { + x = strappenda("OBJECT_SYSTEMD_USER_UNIT=", t); + free(t); + } else + x = NULL; + + if (x) + IOVEC_SET_STRING(iovec[n++], x); + + free(c); + } + } + assert(n <= m); if (tv) { sprintf(source_time, "_SOURCE_REALTIME_TIMESTAMP=%llu", (unsigned long long) timeval_load(tv)); @@ -642,21 +736,21 @@ static void dispatch_message_real( * anyway. However, we need this indexed, too. */ r = sd_id128_get_boot(&id); if (r >= 0) { - sd_id128_to_string(id, boot_id + sizeof("_BOOT_ID=") - 1); + sd_id128_to_string(id, boot_id + strlen("_BOOT_ID=")); IOVEC_SET_STRING(iovec[n++], boot_id); } r = sd_id128_get_machine(&id); if (r >= 0) { - sd_id128_to_string(id, machine_id + sizeof("_MACHINE_ID=") - 1); + sd_id128_to_string(id, machine_id + strlen("_MACHINE_ID=")); IOVEC_SET_STRING(iovec[n++], machine_id); } t = gethostname_malloc(); if (t) { - hostname = strappenda("_HOSTNAME=", t); + x = strappenda("_HOSTNAME=", t); free(t); - IOVEC_SET_STRING(iovec[n++], hostname); + IOVEC_SET_STRING(iovec[n++], x); } assert(n <= m); @@ -709,7 +803,7 @@ void server_driver_message(Server *s, sd_id128_t message_id, const char *format, ucred.uid = getuid(); ucred.gid = getgid(); - dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL); + dispatch_message_real(s, iovec, n, ELEMENTSOF(iovec), &ucred, NULL, NULL, 0, NULL, 0); } void server_dispatch_message( @@ -719,7 +813,8 @@ void server_dispatch_message( struct timeval *tv, const char *label, size_t label_len, const char *unit_id, - int priority) { + int priority, + pid_t object_pid) { int rl, r; _cleanup_free_ char *path = NULL; @@ -769,7 +864,7 @@ void server_dispatch_message( "Suppressed %u messages from %s", rl - 1, path); finish: - dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id); + dispatch_message_real(s, iovec, n, m, ucred, tv, label, label_len, unit_id, object_pid); } |